I felt the computer dials were pure bling so got the Torgoen T5 with the 4th large hand showing UTC. About $80 from Marv Golden. I don't recommend it: The problem is the 24hr hand is permanently geared to the 12hr hands, so whenever you adjust the latter at your new destination ( = often) you also have to reset the 24hr hand and that is far too fiddly. Maybe the Torgoen T4 (internal 24 bezel) is better?
There are some German-sourced watches similar style with 4 concentric hands branded Zeppelin, Junkers etc rather more exp but different.
http://www.torgoen.com/zulutime.htm
Lets know how you get on.